It should not. What’s filesystem on this drive?
And did you check it with Earnings calculator (Update 2022-12-08: v12.3.0 - Now compatible with node version 1.62+ - Detailed earnings info and health status of your node, including vetting progress)?
Also, when you check databases, there should not be / before the Windows path, otherwise it will try to create databases with a such name and of course newly created databases will not have any issues.
So please replace /G:\ with G:\